数码单反相机为摄影者带来愉悦的同时,也带来新的烦恼。通常数码单反相机使用一段时间之后,会有一些黑色斑点困扰成像,这些黑色的斑点在光学取景器中看不到,而在成像中存在,而且会越来越多,这就是灰尘落在影像传感器表面产生的后果,如果它恰好位于图像的重要部位,如肖像的眼部, Digital SLR cameras bring joy to photographers, but also bring new troubles. Digital SLR cameras usually use a period of time, there will be some black spots bother imaging, these black spots in the optical viewfinder can not see, but in the imaging, and will be more and more, which is the dust falls on the image sensor The consequences of the surface, if it happens to be located in important parts of the image, such as the portrait of the eye,